Resolve all open Dependabot dependency updates

npm apps (shadcn_ui_app, jsx-app, sample_app_nextjs):
- next 14.0.x → 15.5.14 (latest stable, patched for CVE-2025-66478)
- react & react-dom ^18 → ^19
- @types/react & @types/react-dom ^18 → ^19
- eslint ^8 → ^9
- eslint-config-next 14.0.x → 15.5.14
- nanoid resolved transitively (3.3.11 via postcss)

Docker base images:
- python 3.8 → 3.13 (react/, latte/, browser_extension/server/)
- node 20 → 23 (sample_app_nextjs/)

Resolves #68, #69, #70, #73, #76, #77, #81, #143, #144, #145, #146, #147,

Made-with: Cursor
#148, #164, #165, #166, #167, #168, #169, #176, #177, #178.

Author: 1um

_roastery/browser_extension/server/Dockerfile

@@ -1,5 +1,5 @@
 # Use the official Python image as a parent image
-FROM python:3.8
+FROM python:3.13
 
 # Set the working directory in the container
 WORKDIR /app